

Josh_Path2346
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Content Count
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1 NeutralAbout Josh_Path2346
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Rank
NPORA Newbie
- Birthday January 3
Previous Fields
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Your Pathfinder Info
Nissan Pathfinder 3.0 v6 VG30i 4x4
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Place of Residence
Tennessee
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Mechanical Skill Level
Skilled/Experienced Mechanic
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Your Age
16-21
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What do you consider yourself?
Rarely Go Off-Road
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Model
SE
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Year
1989
Profile Information
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Gender
Male
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Location
Tennessee
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Country
United States
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I have already checked for codes and it gave me #55 (no malfunction). Its a new tbi unit so Im assuming the whistling is because I cleaned the EGR port and the pipe on the mixture pre-heater is making it whistle. Ita at a shop (that I work at) and Ive gotten it to run. However, it is extremely rough. The surging has gone done quote a lot, it idle and runs, but is very, vey rough. I replaced the 2 injectors and we tried messing with some vacuum lines but its stop really rough. Maybe ignition timing?
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And the whistling noise is coking from inside / underneath the throttle body. However I have just swapped tbi units and its still whistling so its not a gasket. Im thinking the mixture heater pipe is causing the EGR tube to make a whistling noise
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Im pretty sure it isnt timing because itll run for just a few seconds then ill choke itself out while it sputters to a stop. My timing belt was serviced before I bought this truck but the sticker has been wiped clean so I cant see the mileage anymore.
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What happened, did you get it fixed? Im having a similar problem
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I have an '88 Pathfinder 3.0 v6 that has been giving me trouble for the past 5 months. I just replaced the throttle body (entire unit, sensors too) and now I have a whole new problem. It used to surge up and down erratically, but now it wont even stay running. I think its flooding itself out. It also has a high pitched whistle (no, I dont have a vacuum leak. Ive checked) and will run fine for a few seconds then stumble and die. Ive been struggling for months with this problem, can someone please help me?
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vg30i idle problem; revs up & down
Josh_Path2346 replied to rmbhs's topic in 86.5-89 WD21 Pathfinders
Tried searching for a vacuum leak but nothing worked. Sprayed everywhere with starting fluid and nothing happened. Gonna replace the tbi unit -
87 VG30i Throttle Body rebuild?
Josh_Path2346 replied to August59's topic in 86.5-89 WD21 Pathfinders
How did cleaning your tbi go? Did it start working again or give you any problems? I rebuilt mine and now its wheezing and whistling and revving up and down -
'89 Pathfinder NEED HELP!
Josh_Path2346 replied to Josh_Path2346's topic in 86.5-89 WD21 Pathfinders
Thanks, Ill give it a try. Anything else I could test while Im at it? Im pretty close to just buying a new Throttle Body unit- 18 replies
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- engine control harness
- 4x4
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(and 2 more)
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'89 Pathfinder NEED HELP!
Josh_Path2346 replied to Josh_Path2346's topic in 86.5-89 WD21 Pathfinders
Well, it does have suction, but I can put my hand over it and it doesnt change anything. I have tirelessly searched this and other forums for a problem like mine and havent found an answer. Im close to just sending it somewhere to get fixed- 18 replies
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- engine control harness
- 4x4
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(and 2 more)
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'89 Pathfinder NEED HELP!
Josh_Path2346 replied to Josh_Path2346's topic in 86.5-89 WD21 Pathfinders
I searched for vacuum leaks and couldn't find anything. Sprayed every hose on both ends and the engine didnt react. After a few minutes amd a couple starts I ended up vapor-locking it and gave up. Got any other ideas?- 18 replies
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- engine control harness
- 4x4
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(and 2 more)
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'89 Pathfinder NEED HELP!
Josh_Path2346 replied to Josh_Path2346's topic in 86.5-89 WD21 Pathfinders
I cant hear it making any sucking noise, because its whistling too loud. Ive got a new can of ether so tomorrow night Ill give it a shot. Any ideas where to start? Likely areas?- 18 replies
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- engine control harness
- 4x4
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(and 2 more)
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'89 Pathfinder NEED HELP!
Josh_Path2346 replied to Josh_Path2346's topic in 86.5-89 WD21 Pathfinders
I have checked my computer and got a code 55 (no malfunction) I could take the throttlebody off and try the throttle plate screws. It didnt close all the way when I had it off replacing the gaskets. However, there it literally no suction coming from the throttlebody. Im going to test for vacuum leaks tonight- 18 replies
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- engine control harness
- 4x4
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(and 2 more)
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vg30i idle problem; revs up & down
Josh_Path2346 replied to rmbhs's topic in 86.5-89 WD21 Pathfinders
I've replaced my gaskets and made sure everything worked and I still have the revving up and down problem. (Approximately 2,000-2500) Can anyone help me? I have no codes but am pretty sure its a vacuum leak. I just don't know where -
'89 Pathfinder NEED HELP!
Josh_Path2346 replied to Josh_Path2346's topic in 86.5-89 WD21 Pathfinders
Ive replaced the MAF sensor so that isnt it- 18 replies
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- engine control harness
- 4x4
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(and 2 more)
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Ecu Self-diagnostics For 87-95 Pathfinder
Josh_Path2346 replied to 88pathoffroad's topic in How-To's
My 1988 Pathfinder VG30i gave me a 55 (no malfunction) today, however there is a vacuum leak that might be causing the idle do rev up and down (approximately 1700-2500). I chased it down to behind the throttle body. Should I take it off and try to tighten it down again or look for something else?